結構形式 柱(zhu)塞(sai)(sai)泵(beng)(beng)分為(wei)軸向柱(zhu)塞(sai)(sai)泵(beng)(beng)和徑(jing)向柱(zhu)塞(sai)(sai)泵(beng)(beng)兩種(zhong)代表(biao)性(xing)的(de)結構形式;柱(zhu)塞(sai)(sai)缸由于徑(jing)向柱(zhu)塞(sai)(sai)泵(beng)(beng)屬于一(yi)種(zhong)新型的(de)技(ji)術含量比(bi)較(jiao)高(gao)的(de)高(gao)效泵(beng)(beng),隨著(zhu)國產(chan)化的(de)不斷加快,徑(jing)向柱(zhu)塞(sai)(sai)泵(beng)(beng)必然會成(cheng)為(wei)柱(zhu)塞(sai)(sai)泵(beng)(beng)應用領域的(de)重要組成(cheng)部(bu)分。 軸向(xiang)柱(zhu)(zhu)(zhu)塞(sai)泵是利用與(yu)傳動(dong)軸平行(xing)的柱(zhu)(zhu)(zhu)塞(sai)在柱(zhu)(zhu)(zhu)塞(sai)孔(kong)內往復運動(dong)所產生的容積變化來進行(xing)工作(zuo)的。由于柱(zhu)(zhu)(zhu)塞(sai)和柱(zhu)(zhu)(zhu)塞(sai)孔(kong)都是圓形零件,加工時可(ke)以達(da)到很高(gao)的精度(du)配合,因(yin)此(ci)具有(you)容積效(xiao)率高(gao),運轉(zhuan)平穩,流量均(jun)勻性好,噪聲(sheng)低,工作(zuo)壓力高(gao)等優點,但對液壓油的污染較(jiao)(jiao)敏感,結構較(jiao)(jiao)復雜,造價(jia)較(jiao)(jiao)高(gao)。 MCY14-1B:定量(liang)柱塞泵 SCY14-1B:手動變量(liang)柱塞泵 YCY14-1B:壓(ya)力變量柱(zhu)塞泵 BCY14-1B:電(dian)液控(kong)制柱塞泵 PCY14-1B:恒壓變量(liang)柱塞泵 柱塞(sai)(sai)泵的(de)泵油(you)機構(gou)包括兩套(tao)精密偶件:柱塞(sai)(sai)+柱塞(sai)(sai)套(tao)構(gou)成柱塞(sai)(sai)偶件、出(chu)油(you)閥和出(chu)油(you)閥座構(gou)成出(chu)油(you)閥偶件 柱塞和(he)(he)柱塞套是一(yi)對(dui)精密偶件,經配對(dui)研(yan)磨(mo)后不能互換,要求有高的精度和(he)(he)光潔度和(he)(he)好的耐磨(mo)性(xing),其徑向間隙為0.002~0.003mm 柱(zhu)塞(sai)頭部圓柱(zhu)面上切有斜(xie)槽,并通(tong)過徑(jing)向孔、軸向孔與(yu)頂部相(xiang)通(tong),其目的是改(gai)變循環(huan)供油(you)(you)量;柱(zhu)塞(sai)套上制(zhi)有進、回油(you)(you)孔,均與(yu)泵(beng)(beng)上體內低(di)壓油(you)(you)腔(qiang)相(xiang)通(tong),柱(zhu)塞(sai)套裝入泵(beng)(beng)上體后,應用定位螺釘定位。 柱塞頭部斜槽的位(wei)置不同,改變供油量的方法也不同。 出(chu)油閥和出(chu)油閥座也是(shi)一對(dui)精密偶件,配對(dui)研磨(mo)后不能互換,其(qi)配合間隙為0.01mm 。 出油(you)閥(fa)是(shi)一個單向閥(fa),在彈簧壓力作用(yong)下,閥(fa)上(shang)(shang)部圓(yuan)錐面與(yu)閥(fa)座嚴密配合,其作用(yong)是(shi)在停(ting)供時,將高壓油(you)管(guan)(guan)與(yu)柱塞上(shang)(shang)端(duan)空腔隔絕(jue),防止高壓油(you)管(guan)(guan)內(nei)的油(you)倒流入噴油(you)泵(beng)內(nei)。 出油(you)閥(fa)的(de)下部呈十(shi)字斷面(mian),既能導向,又能通過柴油(you)。出油(you)閥(fa)的(de)錐面(mian)下有一個(ge)小的(de)圓柱面(mian),稱為減壓環(huan)(huan)帶(dai),其作用是(shi)在供油(you)終了時,使(shi)高壓油(you)管內(nei)的(de)油(you)壓迅(xun)速(su)下降,避(bi)免噴(pen)(pen)孔(kong)處(chu)產生(sheng)滴油(you)現象。當(dang)環(huan)(huan)帶(dai)落入(ru)閥(fa)座(zuo)內(nei)時則使(shi)上方(fang)容積很(hen)快增(zeng)大,壓力迅(xun)速(su)減小,停噴(pen)(pen)迅(xun)速(su)。 德國力士樂柱塞泵型號: A10VSO18DFR1/31R-PPA12N00 A10VSO18DFR1/31R-PPB12N00 A10VSO18DFR1/32R-VPB12N00 A10VG18HD1/10L-NSC16N003E A10VSO18DFR1/31R-PPA12N00 A10V028DR/31R-PSC12N00 A10VS028DR/31R-PPA12N00 A10VSO28DR/32R-VPB121N00 A10VSO28DFR/31R-PSA12N00 A10VSO28DFR1/31R-PPA12N00 A10VSO28DFR1/32R-VPB12N00 A10VSO28DRF1/31R-PSA12N00 E-A10VSO28DFR1/31R-PPA12N00 A10VSO28DR/31R-PSC12N00 A10V028DR/31R-PSC62K01 A10V028DFR1/31R-PSC62N00 A10VSO45DFR1/31R-PPA12N00 A10VSO45DFR1/32R-VPB12N00 A10VSO45DR/31R-PPA12N00 A10VSO45DR/31R-PPA12K25 A10VSO45DFR1/31R-PPA12N00 A10VSO58DFR1/31R-PPA12N00 A10VS045DFR1/31RPPA12NOO E-A10VSO45DFR1/31R-PPA12N00 A10VS045DFR/31R-PPA12NOO-SO32 A10VS045DR/31R-PPA12N00 A10VS045DR/52R-PC12N00 A10V045DFR1/31R-PSC62K02 A10VSO45DFR1/31R-PPA12N00 A10VS045DR/31RPPB12-NDD A10VO45DFR1/31R-PSC62K02 A10VSO71DFR1/32R-VPB22U99 A10VSO71DFR1/31R-PPA12N00 A10VSO71DFR1/32R-VPB12N00 A10VSO71DFR1/31R-PPA12KB5 A10VSO71DFR/31R-PSC62K07 A10VO71DFRI/34 PSC6402-S0225 A10VSO71FR1/31R-PPA12N00 A10VSO71DFR1/31R-PPB12NOO E-A10VSO71DFR1/31R-PPA12N00 A10VO71DFR1/31RPSC62K07 A10VSO71DFR/31R-PPA12KB3 A10VS071DR/31R-PPA12N00 A10VS071DFR/31R-PPA12N00 A10VS071DFR1/31R-PPA12N00 A10VSO71DFR1/31R-PPA12N00 A10VSO71DFR1/32R-VPB22U99 EA10VSO71DR/31R-PPA12N00 A10VS0100DR/31R-PPA12N00 A10VS0100DR/32R-VPB22U99 A10VSO100DFR1/32R-VPB12N00 A10VSO100DFR1/31R-PPA12K A10VSO100DFR1/31R-PPA12KB3 EA10VSO100PFR1/31R-PPA12N00 A10VSO100DFR/31RPSB12K24 A10VSO100DR/31R-VPA12N00 A10VSO100DR/31R-PPA12N00 A10VS0100DFR1/31R-PPA12N00 A10VS0100DFR1/32R-VPB12N00 A10V0100DR/31R-PSC11N00 A10VS0100DR/31R-PTA12N00 A10VSO100DR/31R-PPA12N00 A10VSO100DFR1/32R-VPB12N00 A10VSO140DFR1/31R-PPB12N00 A10VSO140DFLR1/31R-PPB12KO1 A10VSO-140DR/31R-PPB12N00 A10VSO140DFR1S/31RPPB12N0 A10VSO140DFR1/31R-PPB12N00 A10VS0140DFLR/31R-PPB12N00 A10VSO140DR/31R-PPB12N00 A10VS0140DRS/32R-VPB12N00 E-A10VSO140D/31R-PPB12N00 A10VSO140DFR1/31R-PPB12N00 A10VS0140DR/32R-VPB12N00 AE-A10VSO140D/31R-PPB12N00 A10VSO140DR/31R-PPB12N00 A10VSO140DRS/32R-VPB12N00 A10VSO140DFR1/31R-PPB12N00 A10VSO140DFR1/32R-VPB12N00 A10VSO140DRS/32R-VPB12N00 |